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Official data from INPI

PROCESSO DE AGLOMERAÇÃO E REMOÇÃO DE ÁGUA DE MATERIAIS POLIMÉRICOS

Em AnáliseInvention PatentPCT · US1987002995

Application data

Number

PI8707880

Type

Invention Patent

Filing

11/16/1987

Publication

03/01/1990

PCT

US1987002995

Progress at the INPI

  1. Filing11/16/87
  2. Publication03/01/90
  3. Examination09/25/90
  4. Allowance
  5. Grant
  6. In force

Published on 03/01/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 04/13/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

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Inventors

J. N. (pessoa física)

R. Y. (pessoa física)

R. C. (pessoa física)

Technical data

Priority claims

US

931.070 · 11/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1990

RPI 1007

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